Wednesday 2 December, 2020

TS Gonzalo Update: St Vincent and the Grenadines under Hurricane Watch

US National Hurricane Centre graphic for the Arrival Time of Tropical-Storm-Force Winds

US National Hurricane Centre graphic for the Arrival Time of Tropical-Storm-Force Winds

Tropical Storm Gonzalo continues Westward with St Vincent and the Grenadines under Hurricane Watch.

According to the Advisory from the US National Hurricane Centre summary at 8 am, "the government of Barbados has issued a Hurricane Watch for St Vincent and the Grenadines." 

Therefore, a Hurricane Watch is in effect for St Vincent and the Grenadines, as well as Barbados currently

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LOCATION...9.8N 47.9W

ABOUT 910 MI...1470 KM E OF THE SOUTHERN WINDWARD ISLANDS

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MAXIMUM SUSTAINED WINDS...65 MPH...100 KM/H

PRESENT MOVEMENT...W OR 270 DEGREES AT 12 MPH...19 KM/H

MINIMUM CENTRAL PRESSURE...997 MB...29.44 INCHES

 

Summary

At 8 am AST (1200 UTC), the center of Tropical Storm Gonzalo was located near latitude 9.8 North, longitude 47.9 West. Gonzalo is moving toward the west near 12 mph (19 km/h).  A general westward motion at a faster forward speed is expected today followed by a turn toward the west-northwest on Saturday. 

On the forecast track, the center of Gonzalo would approach the Windward Islands late Friday and Saturday.

Maximum sustained are near 65 mph (100 km/h) with higher gusts. Strengthening is forecast during the next couple of days, and Gonzalo could become a hurricane later today.

Tropical-storm-force winds extend outward up to 35 miles (55 km) from the center.

The estimated minimum central pressure is 997 mb (29.44 inches).


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WIND:  Hurricane conditions are possible within the watch area by Saturday afternoon, with tropical storm conditions possible by early Saturday.

RAINFALL:  Gonzalo is expected to produce total rain accumulations of 2 to 5 inches, with isolated maximum amounts of 7 inches in Barbados and the Windward Islands from Friday night through Sunday night. 

Gonzalo is also expected to produce total rain accumulations of 1 to 2 inches in Trinidad and Tobago. 

Rainfall in Barbados and the Windward Islands could lead to life-threatening flash floods.

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